It was not Palin's fault that she was woefully unprepared to be the Republican vice presidential nominee. For that one, blame the petulant, impetuous John McCain. But Palin has had ample time now, outside the crash course of a presidential campaign, to develop and exhibit some understanding of the issues. Her learning curve, from all the available evidence, is a flat line. Three unattractive Palin traits have, if anything, been amplified since the election: her unwillingness to buckle down and do the necessary preparation; her tendency to adopt what McCain adviser Steve Schmidt described as a "down is up and...